20796685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45707}}^1$

素因数の和:45732

約数の個数: 16

約数和(自身を含む): 30715776

約数和(自身を除く): 9919091

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 45707, 228535, 319949, 594191, 1599745, 2970955, 4159337, 20796685]

約数ペア:

[(1, 20796685), (5, 4159337), (7, 2970955), (13, 1599745), (35, 594191), (65, 319949), (91, 228535), (455, 45707)]